Soil bio-cementation treatment strategies: state-of-the-art review

نویسندگان

چکیده

Bio-cementation is a new sustainable approach that has gained popularity due to its low energy and carbon dioxide footprint compared with those of existing technologies for geotechnical geoenvironmental engineering applications. soil improvement technique involves binding the pore space particles calcium carbonate minerals by microbially induced precipitation (MICP) filling space. The purpose this paper present current state art comprehensive discussion on development bio-cementation improvement/reinforcement. Premixing, injection, immersing surface percolation are identified as four distinct treatment techniques. Furthermore, scholars have reported employing ureolytic bacteria such Sporosarcina pasteurii, Bacillus sphaericus Lysinibacillus isolated from corals, limestone caves, soils, waste materials, seawater other sources accomplish effective bio-cementation. Some major issues (bacterial cultivation costs ammonium production) impede industrial potential promising remedial techniques also discussed. This state-of-the-art review discusses benefits drawbacks traditional approaches. significance enzyme-induced alternative MICP highlighted. Finally, procedure, principles future implications

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ژورنال

عنوان ژورنال: Geotechnical research

سال: 2023

ISSN: ['2052-6156']

DOI: https://doi.org/10.1680/jgere.22.00051